84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
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/*
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* Copyright (c) 2008 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <debug.h>
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#include <printf.h>
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#include <platform/at91sam7.h>
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#include <kernel/thread.h>
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#include <stdarg.h>
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void ser_init(void)
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{
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AT91DBGU *dbgu = AT91DBGU_ADDR;
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// AT91PIO *pio = AT91PIO_ADDR;
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// pio->select_a = PIN_DRXD | PIN_DTXD;
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// pio->pio_disable = PIN_DRXD | PIN_DTXD;
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dbgu->MR = DBGU_PAR_NONE | DBGU_MODE_NORMAL;
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// dbgu->BRGR = 10; //MCK_IN_MHZ / 115200 / 16;
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dbgu->BRGR = AT91_MCK_MHZ / 115200 / 16;
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dbgu->CR = DBGU_RXEN | DBGU_TXEN;
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}
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void ser_putc(unsigned c)
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{
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AT91DBGU *dbgu = AT91DBGU_ADDR;
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if(c == 10) {
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while(!(dbgu->SR & DBGU_TXRDY));
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dbgu->THR = 13;
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}
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while(!(dbgu->SR & DBGU_TXRDY));
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dbgu->THR = c;
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}
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void ser_puts(const char *s)
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{
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AT91DBGU *dbgu = AT91DBGU_ADDR;
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while(*s) {
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if(*s == 10) {
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while(!(dbgu->SR & DBGU_TXRDY));
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dbgu->THR = 13;
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}
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while(!(dbgu->SR & DBGU_TXRDY));
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dbgu->THR = *s++;
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}
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}
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int dgetc(char *c, bool wait)
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{
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return -1;
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}
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void _dputc(char c)
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{
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ser_putc(c);
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}
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void platform_halt()
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{
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arch_disable_ints();
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for(;;);
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}
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